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Bouncy Ball Presentation

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The Effect of Different Surface Types

on a Bouncy Ball’s Bounce


Deyan, Elizabeth, David

Team: Hee, Hee, Hee


Objective
To compare how different surfaces
affect the return bounce/height of a
bouncy ball
Materials - Meter Stick
-Phone/other recording device
-Laptop to collect data
- Standard Medium Size Solid Rubber Bouncy
Ball
- (8) Surface Types
1. Standard Lab Table
2. 3-ply Dinner Napkin
3. 2-ply Bounty Paper Towel
4. 1-ply Commercial Grade Brown Paper
Towel
5. Gallon Sized Ziploc Baggie
6. 2-ply Cardboard
7. 8.5 x 11 Standard Printer Paper
8. Sheet of Aluminum Foil
Greatest
Prediction 1. Standard Lab Table
2. 8.5 x 11 Standard Printer Paper
3. Sheet of Aluminum Foil
4. 1-ply Commercial Grade Brown Paper
Towel
5. 3-ply Dinner Napkin
6. 2-ply Bounty Paper Towel
7. Gallon Sized Ziploc Baggie
8. 2-ply Cardboard

Least
Materials Trial 1 (cm) Trial 2 (cm) Trial 3 (cm) Average (cm)

Standard Lab Table 40 37 36 37.66

3-ply Dinner Napkin 36 36 38 36.66

2-ply Bounty Paper 38 39 40 39.


Towel

1-ply Commercial 41 42 42 41.66


Grade Brown Paper
Towel

Gallon Sized Ziploc 40 38 41 39.67


Baggie

2-ply Cardboard 28 29 23 26.67

8.5 x 11 Standard 43 41 42 42
Printer Paper

Sheet of Aluminum Foil 40 41 39 40


Videos
Videos (continued)
Was our prediction correct?
Our Prediction The Results

1. Standard Lab Table 1. 8.5 x 11 Standard Printer Paper


2. 8.5 x 11 Standard Printer Paper 2. 1-ply Commercial Grade Brown Paper Towel
3. Sheet of Aluminum Foil 3. Sheet of Aluminum Foil
4. 1-ply Commercial Grade Brown Paper Towel 4. Gallon Sized Ziploc Baggie
5. 3-ply Dinner Napkin 5. 2-ply Bounty Paper Towel
6. 2-ply Bounty Paper Towel 6. Standard Lab Table
7. Gallon Sized Ziploc Baggie 7. 3-ply Dinner Napkin
8. 2-ply Cardboard 8. 2-ply Cardboard
A side-by-side comparison of
greatest return height v.s. least return height
Trial 1: 43 cm Trial 1: 28 cm

Trial 2: 41 cm Trial 2: 29 cm
v.s.
Trial 3: 42 cm Trial 3: 23 cm

Average: 42 cm Average: 26.67 cm


Research Extension
How does the type of surface affect the bouncy ball’s bounce?

Surfaces absorb different amounts of mechanical energy


when the bouncy ball lands on them. Therefore, the return
height of the ball is directly dependent on how much of its
energy the surface absorbs.

https://www.scientificam
erican.com/article/surfac
e-science-where-does-a
-basketball-bounce-best
/

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